نتایج جستجو برای: surface water harvesting
تعداد نتایج: 1139281 فیلتر نتایج به سال:
BACKGROUND Follicular Unit Extraction (FUE) is considered to be a minimally invasive procedure, and the injury to the donor area caused by a sharp punch may result in dermal fibrosis and clinically observed hypopigmentation. OBJECTIVE To evaluate with advanced image processing the efficacy of using 0.9% normal saline in minimizing the injury to the donor area in FUE donor harvesting. PATIEN...
The water management policies adopted to address Israel's chronic scarcity have not been without environmental consequences. Yet, through a trial-and-error process, a combined strategy of water transport, rainwater harvesting, and wastewater reuse and desalination, along with a variety of water conservation measures, have put the country on a more sustainable path for the future.
With water becoming an even scarcer resource, rainwater harvesting (RWH) systems are becoming increasingly more commonplace as mechanisms to capture and store rainwater for both agricultural and domestic use. Three important engineering considerations associated with the construction of RWH systems are the capture surface area, the tank volume required for specific demand levels, and the number...
Abstract A way of harvesting water from the air that avoids discontinuity adsorption/desorption cycles is theoretically analyzed. rectangular prism-shaped adsorbent bed immersed in low-humidity air, at an angle to horizontal and subject a temperature gradient between two opposite open faces. The other four faces prism remain isolated. Water adsorbed on colder face, causing density surrounding p...
Phosphorus (P) is a key element in many biological processes of plants and animals. We aimed to investigate the effect of different salinity levels and Ca:Mg ratios of irrigation water arid lands on soil available P, soluble P, and P absorbed by the pistachio plant. For this purpose, a greenhouse experiment was conducted by sowing the seeds of pistachio in a factorial randomized block design wi...
BACKGROUND Despite claims that the Millennium Development Goals (MDG) targets on access to safe drinking water have been met, many 100 s of millions of people still have no access. The challenge remains how to provide these people and especially young children with safe drinking water. METHOD We report a longitudinal study designed to assess the effectiveness of an intervention based on provi...
Rainwater harvesting technology is among the oldest methods of fetching water households. The demand for use has grown globally outpacing population growth, and increasingly, many regions are currently reaching levels which services unsustainable, especially in Arid Semi-Arid Lands (ASAL) regions. Inadequate domestic agricultural had negative impacts on households ASAL areas. There been however...
Water Quality Models for Supporting Shellfish Harvesting Area Management by Andrew David Gronewold Department of Environmental Sciences and Policy Duke University
Increasing atmospheric anomalies have altered some of the extreme events such as global warming droughts, many climatic components such as precipitation, evapotranspiration, temporal and spatial distribution of precipitation, followed by dominoes of changes in freshwater resources available to communities. Human changes such as changes in the hydrological regime of rivers, changes in the qualit...
Fog represents a large untapped source of potable water, especially in arid climates. Numerous plants and animals use textural and chemical features on their surfaces to harvest this precious resource. In this work, we investigate the influence of the surface wettability characteristics, length scale, and weave density on the fog-harvesting capability of woven meshes. We develop a combined hydr...
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